Description

Textures from VirtualTextureCollections appear blurry because the correct mip level isn’t shown unless FVirtualTextureCollectionResource::InitRHI is modified in VirtualTextureCollection.cpp with

ProducerDesc.bPersistentHighestMip = true;
Steps to Reproduce
  1. Open the NewMap level in the sample project (attached)
  2. Enable r.VT.borders 1 so you can see the mip level easily

Expected

Sharper mips are streamed and paged in when the camera is closer to the object

Actual

Sharper mips are never displayed, and mip level borders remain purple (same level) instead of multiple levels approaching the camera.

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Unresolved
ComponentUE - Rendering - Architecture
Affects Versions5.75.8
CreatedJul 30, 2026
UpdatedJul 30, 2026
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